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| LC5056 Pyrazole for synthesis |
| Order number | Packaging | Quantity | Price € |
| AC32056 | Glass bottle | 25 g | 30.38 |
| Product information | |
| Synonyms | 1,2-Diazol |
| Hill Formula | C3H4N2 |
| HS Code | 2933 19 90 |
| EC number | 206-017-1 |
| Molar mass | 68.07 g/mol |
| CAS number | 288-13-1 |
| Chemical and physical data | |
| Solubility | (20 °C) insoluble |
| Melting point | 66 – 68 °C |
| Molar mass | 68.07 g/mol |
| Boiling point | 186 – 188 °C |
| Safety information | |
| R Phrase | R 22-36/38 Harmful if swallowed.Irritating to eyes and skin. |
| Categories of danger | harmful, irritant |
| Hazard Symbol |  Harmful |
| RTECS | UQ4900000 |
| Storage class | 10 – 13 Other liquids and solids |
| WGK | WGK 1 slightly water endangering |
| Disposal | 3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. |
| Toxicological data | |
| LD 50 oral | LD50 rat 1010 mg/kg |
| Specifications | |
| Assay (GC, area%) | ≥ 99 % |
| Melting range – lower value |
≥ 66 °C |
| – upper value | ≤ 68 °C |
| Identity (IR) | passes test |
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